cohen.ES {pwr}R Documentation

Conventional effects size

Description

Give the conventional effect size (small, medium, large) for the tests available in this package

Usage

cohen.ES(test = c("p", "t", "r", "anov", "chisq", "f2"), size = c("small", "medium", "large"))

Arguments

test The statistical test of interest
size The ES : small, medium of large?

Value

The corresponding effect size

Author(s)

Stéphane CHAMPELY

References

J. Cohen (1988) Statistical power analysis for the behavioral sciences. Lawrence Erlbaum Associates, publishers.

Examples

## medium effect size for the correlation test
cohen.ES(test="r",size="medium")

[Package pwr version 1.1 Index]